package com.itheima.service.impl;

import com.itheima.constant.MessageConstant;

import com.itheima.dao.MemberDao;
import com.itheima.dao.OrderDao;
import com.itheima.dao.OrderSettingDao;
import com.itheima.entity.Result;
import com.itheima.pojo.Member;
import com.itheima.pojo.Order;
import com.itheima.pojo.OrderSetting;
import com.itheima.service.OrderService;
import com.itheima.utils.DateUtils;
import org.apache.dubbo.config.annotation.Service;
import org.aspectj.weaver.ast.Or;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.transaction.annotation.Transactional;

import java.util.Date;
import java.util.List;
import java.util.Map;

/**
 * @Program: health_parent
 * @Description:
 * @Author: choulan
 * @Date:2020-11-15 11:46
 **/
@Service(interfaceClass = OrderService.class)
@Transactional
public class OrderServiceImpl implements OrderService {

    @Autowired
    private OrderSettingDao orderSettingDao;
    @Autowired
    private MemberDao memberDao;
    @Autowired
    private OrderDao orderDao;
    @Override
    public Result order(Map map) throws Exception {
        //1.检查所选日期是否进行了预约设置，如果没有则不能进行预约设置
        String orderDate = (String) map.get("orderDate");
        OrderSetting orderSetting= orderSettingDao.findByOrderDate(DateUtils.parseString2Date(orderDate));
        if(orderSetting==null){
            //指定日期没有进行预约设置，不能进行预约操作
            return new Result(false, MessageConstant.SELECTED_DATE_CANNOT_ORDER);
        }
        //2.检查用户所选择的预约日期是否已经预约满，如果满了则无法预约
        int number = orderSetting.getNumber();
        int reservations = orderSetting.getReservations();
        if(reservations>=number){
            //预约已满，无法预约
            return new Result(false,MessageConstant.ORDER_FULL);
        }
        //3.检查用户是否重复预约
        String telephone = (String) map.get("telephone");
        Member member = memberDao.findByTelephone(telephone);
        if(member!=null){
            Integer memberId = member.getId();
            Date order_date=DateUtils.parseString2Date(orderDate);
            String setmealId = (String) map.get("setmealId");

            Order order=new Order(memberId,order_date,Integer.parseInt(setmealId));
            List<Order> list = orderDao.findByCondition(order);
            if(list!=null&&list.size()>0){
                //重复预约
                return new Result(false,MessageConstant.HAS_ORDERED);
            }
        }else {
            //4.检查当前用户是否是会员,不是会员自动注册为会员，并进行预约
            member=new Member();
            member.setName((String) map.get("name"));
            member.setPhoneNumber(telephone);
            member.setIdCard((String) map.get("idCard"));
            member.setSex((String) map.get("sex"));
            member.setRegTime(new Date());
            memberDao.add(member);
        }
        //预约成功，更新预约人数
        Order order=new Order();
        order.setMemberId(member.getId());
        order.setOrderDate(DateUtils.parseString2Date(orderDate));
        order.setOrderType((String) map.get("orderType"));
        order.setOrderStatus(Order.ORDERSTATUS_NO);
        order.setSetmealId(Integer.parseInt((String) map.get("setmealId")));
        String address = (String) map.get("address");
        order.setAddress(address);
        orderDao.add(order);
        orderSetting.setReservations(orderSetting.getReservations()+1);//更新预约人数
        orderSettingDao.editReservationByOrderDate(orderSetting);
        return new Result(true,MessageConstant.ORDER_SUCCESS,order.getId());
    }

    @Override
    public Map findById(Integer id) throws Exception {
        Map map = orderDao.findById4Detail(id);
        if(map!=null){
            //处理日期格式
            Date orderDate= (Date) map.get("orderDate");
            map.put("orderDate", DateUtils.parseDate2String(orderDate));
        }
        return map;
    }
}
